Quiz on Variables, Constants & Operators

What is a variable in programming?

• A method for storing data permanently

• A symbolic name assigned to a memory location

• A fixed value that cannot change

• A type of operator used in calculations

What is the process of assigning a value to a variable called?

• Definition

• Assignment

• Initialization

• Declaration

Which of the following is an example of a constant?

• ItemPrice = 20

• City = 'New York'

• age = 15

• Count = 0

What must a variable name not begin with?

• A letter

• An underscore

• A special character

• A number

Which of the following is a valid variable name?

• 1stName

• First-Name

• FirstName

• First Name

What type of operator performs decision making?

• Mathematical

• Logical

• Arithmetic

• Relational

What does the 'AND' logical operator return?

• True if both expressions are True

• False if both expressions are False

• True if neither expression is True

• True if either expression is True

Which of the following is NOT a rule for naming variables?

• Cannot contain spaces

• Can be written in camel case

• Must start with a letter

• Can include special characters

What is the initial value typically assigned to a counter variable?

• Null

• 0

• Undefined

• 1

Which of the following is an example of a variable?

• pi = 3.14

• City = 'Los Angeles'

• LetterGrade = 'A'

• VAT = 0.175